thin pattern fill "stripes 1:8" disappears in export to PDF

Bug #1193698 reported by Brent W. Barker on 2013-06-22
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Inkscape
Medium
Unassigned

Bug Description

Steps to reproduce:
1. Create rectangle.
2. Set Pattern Fill to Stripe 1:8
3. Use Node Tool to reduce width and distance between stripes.
4. Save a Copy... as PDF.

Attached file has the rectangle before step 3 (top) and after (bottom).

$ inkscape --version
Inkscape 0.48.3.1 r9886 (Jan 29 2013)

$ uname -a
Linux hostname 3.2.0-48-generic #74-Ubuntu SMP Thu Jun 6 19:43:26 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

Brent W. Barker (b-w-barker) wrote :
jazzynico (jazzynico) wrote :

Not reproduced on Windows XP, Inkscape 0.48.3.1, 0.48.4 (Cairo 1.11.2) and trunk revision 12387 (Cairo 1.12.14).

tags: added: exporting pattern pdf
Changed in inkscape:
importance: Undecided → Medium
su_v (suv-lp) wrote :

> (…) disappears in export to PDF

Which software was used to verify the content of the PDF file?

If Inkscape was used for the test, then this is likely the same issue as already tracked in
- Bug #168014 “Redraw fails with clipped object patterns”
  <https://bugs.launchpad.net/inkscape/+bug/168014>
and
- Bug #643093 “In imported PDF, some objects not rendered / partially rendered”
  <https://bugs.launchpad.net/inkscape/+bug/643093>

With stable Inkscape 0.48.x, the pattern-filled objects from the PDF file render partially or not at all depending on zoom level. The version of cairo Inkscape used for the PDF export may also affect how the details of the patterns are rendered (if at all).

Changed in inkscape:
status: New → Incomplete
Brent W. Barker (b-w-barker) wrote :

What do you mean by "software used to verify the content"?

I attempted to open with evince and adobe reader on Ubuntu Linux.

On 2013-10-31 06:24 +0200, Brent W. Barker wrote:
> What do you mean by "software used to verify the content"?
>
> I attempted to open with evince and adobe reader on Ubuntu Linux.

Could you please test the three attached PDF files (exported with stable
inkscape, using different versions of cairo), how they display in PDF
viewers on your system?

If I test them with Evince 2.30.3 (on OS X), those created with newer
cairo versions render closer to the original SVG file than the one
created with cairo 1.10.2.

Brent W. Barker (b-w-barker) wrote :

#1. Adobe Reader Firefox plug-in gives 2 bold lines, with 16 thinner lines underneath, with the thinner lines in a gradient from thin to slightly wider to thin again. Evince gives no thinner lines, just the 2 bold ones.

#2. Adobe Reader gives the same as the #1. Evince gives the two bold lines and 16 uniformly thin lines below. All lines are made of 9-12 individual line segments, with some whitespace in between.

#3. Same results as #2.

$ uname -a
Linux hostname 3.5.0-42-generic #65~precise1-Ubuntu SMP Wed Oct 2 20:57:18 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

$ acroread -v # adobe reader
9.5.5

$ evince --version
GNOME Document Viewer 3.4.0

su_v (suv-lp) on 2015-02-05
Changed in inkscape:
status: Incomplete → New
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